Certificate for #7138 ⟨a, b | bb=aa, aaaa=aa⟩

Completion settings:

• Reduction order:
  • Left-to-right shortlex with a < b

Axiom: bb=aa.

Defines rule #1.

Referenced by [3].

Axiom: aaaa=aa.

Defines rule #3.

Overlap of [1] bb=aa with [1] bb=aa:

Critical pair: baa=aab.

Defines rule #2.